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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 09:13:04 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 09:13:04 +0200 |
commit | 57c0eabbd57e1a0872122525f6eeefe1f6529c33 (patch) | |
tree | 788d036bfbc9c92fb7663588033f50d2d6f5c828 /drivers/infiniband/core | |
parent | 392910cf3f8a0161d3da45d02ea17f2910d9193b (diff) | |
parent | c02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff) | |
download | op-kernel-dev-57c0eabbd57e1a0872122525f6eeefe1f6529c33.zip op-kernel-dev-57c0eabbd57e1a0872122525f6eeefe1f6529c33.tar.gz |
Merge 4.11-rc4 into char-misc-next
We want the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r-- | drivers/infiniband/core/cq.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/core/device.c | 29 |
2 files changed, 29 insertions, 10 deletions
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index e955101..f2ae75f 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -29,7 +29,13 @@ static int __ib_process_cq(struct ib_cq *cq, int budget) { int i, n, completed = 0; - while ((n = ib_poll_cq(cq, IB_POLL_BATCH, cq->wc)) > 0) { + /* + * budget might be (-1) if the caller does not + * want to bound this call, thus we need unsigned + * minimum here. + */ + while ((n = ib_poll_cq(cq, min_t(u32, IB_POLL_BATCH, + budget - completed), cq->wc)) > 0) { for (i = 0; i < n; i++) { struct ib_wc *wc = &cq->wc[i]; @@ -196,7 +202,7 @@ void ib_free_cq(struct ib_cq *cq) irq_poll_disable(&cq->iop); break; case IB_POLL_WORKQUEUE: - flush_work(&cq->work); + cancel_work_sync(&cq->work); break; default: WARN_ON_ONCE(1); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 593d2ce..7c9e34d 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -336,12 +336,26 @@ int ib_register_device(struct ib_device *device, struct device *parent = device->dev.parent; WARN_ON_ONCE(!parent); - if (!device->dev.dma_ops) - device->dev.dma_ops = parent->dma_ops; - if (!device->dev.dma_mask) - device->dev.dma_mask = parent->dma_mask; - if (!device->dev.coherent_dma_mask) - device->dev.coherent_dma_mask = parent->coherent_dma_mask; + WARN_ON_ONCE(device->dma_device); + if (device->dev.dma_ops) { + /* + * The caller provided custom DMA operations. Copy the + * DMA-related fields that are used by e.g. dma_alloc_coherent() + * into device->dev. + */ + device->dma_device = &device->dev; + if (!device->dev.dma_mask) + device->dev.dma_mask = parent->dma_mask; + if (!device->dev.coherent_dma_mask) + device->dev.coherent_dma_mask = + parent->coherent_dma_mask; + } else { + /* + * The caller did not provide custom DMA operations. Use the + * DMA mapping operations of the parent device. + */ + device->dma_device = parent; + } mutex_lock(&device_mutex); @@ -1015,8 +1029,7 @@ static int __init ib_core_init(void) return -ENOMEM; ib_comp_wq = alloc_workqueue("ib-comp-wq", - WQ_UNBOUND | WQ_HIGHPRI | WQ_MEM_RECLAIM, - WQ_UNBOUND_MAX_ACTIVE); + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_SYSFS, 0); if (!ib_comp_wq) { ret = -ENOMEM; goto err; |